DRV3204-Q1_15 Datasheet, PDF (7/38 Pages) Texas Instruments – Three-Phase Brushless Motor Driver

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VCC
VCCUV
VSTN
VDD
RES
tON
PRN
tRES
tRH
tRL
tOFF
tRES
tON
DRV3204-Q1
SLVSBT3B – MARCH 2013 – REVISED JULY 2013
VDDUV
tON
Pwth
Rising edge of PRN is
detected to reset
watchdog timer.
NOTE: VCC undervoltage condition sets RES = Low.
Figure 3. Watchdog Timing Chart
WATCHDOG ELECTRICAL CHARACTERISTICS⁽³⁾
PARAMETER
CONDITIONS
MIN
VB = 12 V, T_A = -40°C to 125℃ (unless otherwise specified)
WATCHDOG
VSTN ⁽¹⁾
Function start VCC voltage RES
-
t_ON ⁽¹⁾
t_OFF ⁽¹⁾
t_RL ⁽¹⁾
t_RH ⁽¹⁾
t_RES ⁽¹⁾
P_wth ⁽¹⁾
Power-on time RES
Clock-off reset time RES
Reset-pulse low time RES
Reset-pulse high time RES
Reset delay time RES
Pulse duration PRN
2.5
64
See Figure 3
16
64
30
2
(3) The timing parameters are invalid if watch dog timer is disabled.
(1) Specified by design
TYP
MAX UNITS
0.8
1.3
V
3
3.5 ms
80
96 ms
20
24 ms
80
96 ms
71.5
90
µs
-
-
µs
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